import Vue from 'vue'

import 'normalize.css/normalize.css' // A modern alternative to CSS resets

import ElementUI from 'element-ui'
import 'element-ui/lib/theme-chalk/index.css'
import locale from 'element-ui/lib/locale/lang/en' // lang i18n

import '@/styles/index.scss' // global css

import App from './App'
import store from './store'
import router from './router'

import '@/icons' // icon
import '@/permission' // permission control
import * as directives from '@/directives'
Object.keys(directives).forEach(key => {
  Vue.directive(key, directives[key])
})

/**
 * If you don't want to use mock-server
 * you want to use MockJs for mock api
 * you can execute: mockXHR()
 *
 * Currently MockJs will be used in the production environment,
 * please remove it before going online ! ! !
 */
// if (process.env.NODE_ENV === 'production') {
//   const { mockXHR } = require('../mock')
//   mockXHR()
// }

// set ElementUI lang to EN
Vue.use(ElementUI, { locale })
// 如果想要中文版 element-ui，按如下方式声明
// Vue.use(ElementUI)
// vue.use(插件名)
// 所有的插件都有install方法
// install方法都有一个形参，这个形参都是Vue的构造函数
import Components from '@/components'
Vue.use(Components)

Vue.config.productionTip = false
// process表示进程
// process.env 表示进程里的环境变量
console.log(process)
console.log(process.env)
console.log(process.env.NODE_ENV)
console.log('VUE_APP_DESC', process.env.VUE_APP_DESC)
new Vue({
  el: '#app',
  router,
  store,
  render: h => h(App)
})
